Finding the Fourth Proportional to 113,725.26, 156,939.12 and 65,986.83

Step by Step Solution

1. Step 1: Write the proportion equation
   113,725.26 : 156,939.12 = 65,986.83 : x
2. Step 2: Convert to fraction form
   113,725.26/156,939.12 = 65,986.83/x
3. Step 3: Cross multiply
   113,725.26x = 156,939.12 × 65,986.83
4. Step 4: Simplify right side
   113,725.26x = 10,355,915,031.79
5. Step 5: Solve for x
   x = 10,355,915,031.79/113,725.26
6. Step 6: Final answer
   x = 91,060.82